1996
DOI: 10.1016/0021-9290(96)00012-7
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Biomechanical model of the human knee evaluated by neuromuscular stimulation

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Cited by 141 publications
(106 citation statements)
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“…Modeling of fatigue has been considered in Chizeck et al (1988Chizeck et al ( , 1991, where the fatigue dynamics was found to be dependent on activation level, stimulation frequency and recovery and was directly incorporated into the muscle dynamics. Other research Riener et al (1996); Riener & Fuhr (1998) has established that the effects of fatigue can be represented by multiplying the isometric force produced by the fatigue-free model by a time-varying parameter of the form…”
Section: Muscle Models and Fatiguementioning
confidence: 99%
“…Modeling of fatigue has been considered in Chizeck et al (1988Chizeck et al ( , 1991, where the fatigue dynamics was found to be dependent on activation level, stimulation frequency and recovery and was directly incorporated into the muscle dynamics. Other research Riener et al (1996); Riener & Fuhr (1998) has established that the effects of fatigue can be represented by multiplying the isometric force produced by the fatigue-free model by a time-varying parameter of the form…”
Section: Muscle Models and Fatiguementioning
confidence: 99%
“…We used a non-linear damper model proposed by Riener (24) to represent the viscous property because the non-linear model obtained a closer correspondence between simulated and measured passive pendulum tests of normal subjects. 11 The viscous torque was represented as:…”
Section: Musculoskeletal Systemmentioning
confidence: 99%
“…The model incorporated fatigue based on the intracellular pH level where fatigue parameters for a typical subject were found through metabolic information, experimentation, and curve fitting. A more general mathematical model for dynamic fatigue defined as a function of the Ca 2+ dynamics was proposed in Riener et al (1996) and Riener and Fuhr (1998). Fatigue was introduced in the musculoskeletal dynamics as a fitness variable that varies as electrically stimulated muscles fatigue or recover.…”
Section: Introductionmentioning
confidence: 99%
“…Researchers in Giat et al (1993), Riener et al (1996), Riener and Fuhr (1998), and Ding et al (2002a,b) developed various mathematical models for fatigue. In Giat et al (1993), a musculotendon model for a quadriceps muscle undergoing isometric contractions during NMES was proposed.…”
Section: Introductionmentioning
confidence: 99%
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